2522390 has 16 divisors (see below), whose sum is σ = 4889808. Its totient is φ = 931296.

The previous prime is 2522381. The next prime is 2522393. The reversal of 2522390 is 932252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9572 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (305613).

2^2522390 is an apocalyptic number.

2522390 is a deficient number, since it is larger than the sum of its proper divisors (2367418).

2522390 is a wasteful number, since it uses less digits than its factorization.

2522390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19423.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2522390 is about 1588.2033874791. The cubic root of 2522390 is about 136.1248493082.

The spelling of 2522390 in words is "two million, five hundred twenty-two thousand, three hundred ninety".